Automatic deviation rectifying and guiding device of rotary drilling rig
By installing a semi-correcting guide assembly on the rotary drilling rig, and using the upper and lower semi-ring cylinders and rollers for guidance and limiting, the problem of drill bit deflection was solved, and drilling accuracy and construction efficiency were improved.
Patent Information
- Application Number
- CN202520904868.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-09
AI Technical Summary
When existing rotary drilling rigs encounter inclined hard surfaces or uneven formations, the drill bit experiences uneven stress, causing borehole deviation, affecting accuracy, and making it troublesome to replace the drill bit, thus affecting construction efficiency.
Two symmetrically arranged semi-correcting guide components, including an upper half-ring and a lower half-ring, are used to increase the length of the drill bit or tubular drill. The rollers contact with the drill rod for guidance and limiting, thereby achieving correction.
It effectively prevents drill bits or core drills from tilting during drilling, improves drilling accuracy, simplifies the installation and disassembly process of drill bits or core drills, and enhances construction efficiency.
Smart Images
Figure CN223952606U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rotary drilling rig technical field, concretely relates to rotary drilling rig automatic deviation rectification guiding device. BACKGROUND
[0002] Rotary drilling rig is a kind of construction machinery suitable for hole forming operation in building foundation engineering.It is mainly suitable for sand soil, cohesive soil, silty soil and other soil construction, and is widely used in cast-in-place pile, continuous wall, foundation reinforcement and other various foundation construction.Rotary drilling rig generally adopts hydraulic caterpillar type telescopic chassis, self-lifting foldable drill mast, telescopic drill rod, verticality automatic detection adjustment, hole depth digital display and the like, and the whole machine control generally adopts hydraulic pilot control and load sensing, with the characteristics of easy operation and comfort.
[0003] At present, when the drill bit of the existing rotary drilling rig is working, when encountering inclined hard surface or uneven soft and hard stratum, the drill bit is unevenly stressed, and then the drill bit is deviated to one side and drilled, which affects drilling accuracy.In order to prevent drilling deviation, the drill bit is replaced by a barrel drill, and deviation rectification guiding is realized by the barrel body of the barrel drill, but the barrel body of the barrel drill has limited height, and replacing the drill bit is very troublesome, which affects construction efficiency. UTILITY MODEL CONTENT
[0004] The utility model aims at providing rotary drilling rig automatic deviation rectification guiding device to solve the problems in the above background technology.
[0005] In order to realize the above purpose, the utility model provides the following technical scheme: rotary drilling rig automatic deviation rectification guiding device, comprising:
[0006] Two symmetrical half deviation rectification guiding assemblies are connected by bolts between the two half deviation rectification guiding assemblies.
[0007] The half deviation rectification guiding assembly comprises an upper half ring cylinder and a lower half ring cylinder, the lower half ring cylinder is below the upper half ring cylinder, a plurality of connecting rods are slidably arranged on the upper half ring cylinder, the lower ends of the plurality of connecting rods are slidably connected with the lower half ring cylinder, a half ring connecting plate is fixed to the bottom of the lower half ring cylinder, and a half ring fixed plate is fixed to the bottom of the half ring connecting plate.
[0008] Preferably, a plurality of fixing holes are equidistantly arranged on the half ring fixed plate, the half ring fixed plate is connected with the top of the drill bit or the top of the barrel drill, and the installation of the device on the top of the drill bit or the top of the barrel drill is realized.
[0009] Preferably, the inner ring wall of the upper half ring cylinder is fixed with a first sleeve at positions corresponding to the plurality of connecting rods, the inner ring wall of the lower half ring cylinder is fixed with a second sleeve at positions corresponding to the plurality of connecting rods, the lower end of the second sleeve extends to the inner side of the half ring connecting plate, the upper end of the connecting rod extends into the first sleeve and is connected with a first limiting block, and the lower end of the connecting rod extends into the second sleeve and is connected with a second limiting block, so that the distance between the upper half ring cylinder and the lower half ring cylinder is adjustable.
[0010] Preferably, the outer ring wall of the upper half ring cylinder and the lower half ring cylinder is provided with a mounting groove at both ends, and the side wall of the mounting groove is provided with a mounting hole, facilitating the connection between adjacent two upper half ring cylinders and facilitating the connection between adjacent two lower half ring cylinders.
[0011] Preferably, the inner ring side of the upper half ring cylinder is provided with a half ring positioning, a support plate is fixed between the outer ring wall of the half ring positioning and the inner ring wall of the upper half ring cylinder, and a plurality of rollers are connected to the inner side wall of the half ring positioning, the rollers are in contact with the outer wall of the drill rod, and the drill rod is guided and limited.
[0012] Preferably, the inside of the upper half ring cylinder and the lower half ring cylinder is provided with a cavity, reducing the weight of the upper half ring cylinder and the lower half ring cylinder and reducing the cost.
[0013] Preferably, the outer ring diameter of the upper half ring cylinder is the same as the outer ring diameter of the lower half ring cylinder.
[0014] In the above technical solution, the technical effects and advantages of the present application are provided.
[0015] 1. The device is installed at the top of the drill bit or the top of the cylinder drill, and the length of the drill bit or the length of the cylinder drill body can be effectively increased by the upper half ring cylinder and the lower half ring cylinder, so that the deviation of the drill bit or the cylinder drill is corrected and guided, and the drill bit or the cylinder drill is prevented from being inclined during drilling work.
[0016] 2. The device has a simple structure, is easy to process and manufacture, is simple to connect with the drill bit or the cylinder drill, and is easy to assemble and disassemble. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0018] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0019] Figure 2 It is a schematic diagram of the present application when it is expanded;
[0020] Figure 3 It is a half deviation correction guiding assembly structure schematic view of the utility model;
[0021] Figure 4 It is a three-dimensional anatomical view of the utility model Figure 3 ;
[0022] Figure 5 It is a connecting rod schematic view of the utility model.
[0023] Mark explanation:
[0024] 1, half deviation correction guiding assembly; 2, upper half ring cylinder; 3, lower half ring cylinder; 4, connecting rod; 5, half ring connecting plate; 6, half ring fixed plate; 7, fixed hole; 8, first sleeve; 9, second sleeve; 10, first limit block; 11, second limit block; 12, installation groove; 13, mounting hole; 14, half ring positioning; 15, support plate; 16, roller; 17, cavity. Specific implementation
[0025] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.
[0026] The utility model provides a rotary drilling rig automatic deviation correction guiding device as Figures 1 to 5 Shown, including:
[0027] Two symmetrical half deviation correction guiding assemblies 1, two half deviation correction guiding assemblies 1 are connected through bolt between the two half deviation correction guiding assemblies 1;
[0028] Half deviation correction guiding assembly 1 includes upper half ring cylinder 2 and lower half ring cylinder 3, and lower half ring cylinder 3 is located below upper half ring cylinder 2, a plurality of connecting rods 4 are slidably arranged on upper half ring cylinder 2, the lower end of the plurality of connecting rods 4 is slidably connected with lower half ring cylinder 3, and the bottom of lower half ring cylinder 3 is fixed with half ring connecting plate 5, and the bottom of half ring connecting plate 5 is fixed with half ring fixed plate 6.
[0029] A plurality of fixed holes 7 are formed at equal intervals on half ring fixed plate 6, which facilitates the connection of half ring fixed plate 6 with the top of the drill bit or the top of the cylinder drill, so that the installation of the device on the top of the drill bit cylinder drill is realized.
[0030] The inner ring wall of upper half ring cylinder 2 is fixed with first sleeve 8 at the position corresponding to the plurality of connecting rods 4, the inner ring wall of lower half ring cylinder 3 is fixed with second sleeve 9 at the position corresponding to the plurality of connecting rods 4, the lower end of second sleeve 9 extends to the inner side of half ring connecting plate 5, the upper end of connecting rod 4 extends to first sleeve 8 and is connected with first limit block 10, and the lower end of connecting rod 4 extends to second sleeve 9 and is connected with second limit block 11, so that the distance between upper half ring cylinder 2 and lower half ring cylinder 3 is adjustable.
[0031] The outer ring wall of the upper half ring cylinder 2 and the lower half ring cylinder 3 is provided with a mounting groove 12 at both ends, and the side wall of the mounting groove 12 is provided with a mounting hole 13, which facilitates the connection between adjacent two upper half ring cylinders 2 and facilitates the connection between adjacent two lower half ring cylinders 3.
[0032] The inner ring side of the upper half ring cylinder 2 is provided with a half ring positioning 14, and the outer ring wall of the half ring positioning 14 is fixed with a support plate 15 between the inner ring wall of the upper half ring cylinder 2, and the inner side wall of the half ring positioning 14 is connected with a plurality of rollers 16, which are in contact with the outer wall of the drill rod to guide and limit the drill rod.
[0033] The inside of the upper half ring cylinder 2 and the lower half ring cylinder 3 is provided with a cavity 17, which reduces the weight of the upper half ring cylinder 2 and the lower half ring cylinder 3, and reduces the cost.
[0034] The outer ring diameter of the upper half ring cylinder 2 is the same as that of the lower half ring cylinder 3.
[0035] In the utility model, the automatic deviation rectifying guide device is composed of two symmetrical half deviation rectifying guide components 1, the half ring fixing plate 6 is connected with the top of the drill bit or the top of the cylinder drill through bolts, the upper half ring cylinder 2 on the two half deviation rectifying guide components 1 is connected through bolts, the lower half ring cylinder 3 on the two half deviation rectifying guide components 1 is connected through bolts, the connection between the device and the drill bit or the cylinder drill is simple, and the device is convenient to assemble and disassemble, the outer diameter of the ring cylinder composed of the two upper half ring cylinders 2 in the device is the same as the outer diameter of the connected drill bit or cylinder drill, the outer diameter of the ring cylinder composed of the two lower half ring cylinders 3 in the device is the same as the outer diameter of the connected drill bit or cylinder drill, the upper half ring cylinder 2 and the lower half ring cylinder 3 are in contact with the outer wall of the drilling hole in the drilling process, the length of the drill bit or the length of the cylinder drill body can be effectively increased through the upper half ring cylinder 2 and the lower half ring cylinder 3, so that the deviation rectifying guide of the drill bit or the cylinder drill is realized, the drill bit or the cylinder drill is prevented from being inclined in the drilling work, and the connecting rod 4 is slidably connected between the upper half ring cylinder 2 and the lower half ring cylinder 3, the upper half ring cylinder 2 can move away from the lower half ring cylinder 3 under the friction effect in the process of contacting the inner wall of the drilling hole, the length of the drill bit or the length of the cylinder drill body is further increased, and the deviation rectifying guide effect is improved.
[0036] The above only describes certain exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled person in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.
Claims
1. An automatic deviation correction guide device for a rotary drilling rig, characterized in that, The utility model relates to a half rectification guiding assembly for rectifying deviation of a paper roll, and belongs to the papermaking equipment field. Two symmetrical half rectification guiding assemblies (1) are bolted together. The upper half ring cylinder (2) is provided with a plurality of connecting rods (4) slidingly arranged thereon, the lower ends of the connecting rods (4) are slidingly connected with the lower half ring cylinder (3), the bottom of the lower half ring cylinder (3) is fixedly provided with a half ring connecting plate (5), and the bottom of the half ring connecting plate (5) is fixedly provided with a half ring fixed plate (6).
2. The automatic deviation correction guide device of a rotary drilling rig according to claim 1, characterized in that: A plurality of fixing holes (7) are equidistantly arranged on the half ring fixed plate (6).
3. The automatic deviation correction guide device of a rotary drilling rig according to claim 1, characterized in that: The inner ring wall of the upper half ring cylinder (2) is fixedly provided with a first sleeve (8) at the positions corresponding to the plurality of connecting rods (4), the inner ring wall of the lower half ring cylinder (3) is fixedly provided with a second sleeve (9) at the positions corresponding to the plurality of connecting rods (4), the lower end of the second sleeve (9) extends to the inner side of the half ring connecting plate (5), the upper end of the connecting rod (4) slidingly extends into the first sleeve (8) and is connected with a first limiting block (10), and the lower end of the connecting rod (4) extends into the second sleeve (9) and is connected with a second limiting block (11).
4. The automatic deviation correction guide device of a rotary drilling rig according to claim 1, characterized in that: The outer ring walls of the upper half ring cylinder (2) and the lower half ring cylinder (3) are both provided with mounting grooves (12) at both ends, and the side walls of the mounting grooves (12) are provided with mounting holes (13).
5. The automatic deviation correction guide device of a rotary drilling rig according to claim 1, characterized in that: The inner ring side of the upper half ring cylinder (2) is provided with a half ring positioning part (14), a supporting plate (15) is fixed between the outer ring wall of the half ring positioning part (14) and the inner ring wall of the upper half ring cylinder (2), and the inner side wall of the half ring positioning part (14) is connected with a plurality of rollers (16).
6. The automatic deviation correction guide device of a rotary drilling rig according to claim 1, characterized in that: The upper half ring cylinder (2) and the lower half ring cylinder (3) are both provided with cavities (17) in the interiors thereof.
7. The automatic deviation correction guide device of a rotary drilling rig according to claim 1, characterized in that: The outer ring diameter of the upper half ring cylinder (2) is the same as the outer ring diameter of the lower half ring cylinder (3).